WO2003055699A1 - Pneu radial - Google Patents

Pneu radial Download PDF

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Publication number
WO2003055699A1
WO2003055699A1 PCT/JP2002/013109 JP0213109W WO03055699A1 WO 2003055699 A1 WO2003055699 A1 WO 2003055699A1 JP 0213109 W JP0213109 W JP 0213109W WO 03055699 A1 WO03055699 A1 WO 03055699A1
Authority
WO
WIPO (PCT)
Prior art keywords
carcass
ply
tire
layer
cord
Prior art date
Application number
PCT/JP2002/013109
Other languages
English (en)
Japanese (ja)
Inventor
Hiroaki Kajita
Original Assignee
Sumitomo Rubber Industries, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Rubber Industries, Ltd. filed Critical Sumitomo Rubber Industries, Ltd.
Priority to US10/495,193 priority Critical patent/US7231950B2/en
Priority to EP02790765A priority patent/EP1459910B1/fr
Priority to DE60223285T priority patent/DE60223285T2/de
Publication of WO2003055699A1 publication Critical patent/WO2003055699A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
    • B60C13/02—Arrangement of grooves or ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/0207—Carcasses comprising an interrupted ply, i.e. where the carcass ply does not continuously extend from bead to bead but is interrupted, e.g. at the belt area, into two or more portions of the same ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C9/08—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C9/08—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply
    • B60C9/09—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply combined with other carcass plies having cords extending diagonally from bead to bead, i.e. combined radial ply and bias angle ply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10765—Characterized by belt or breaker structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10765—Characterized by belt or breaker structure
    • Y10T152/10792—Structure where each bias angle reinforcing cord ply has no opposingly angled ply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10765—Characterized by belt or breaker structure
    • Y10T152/10801—Structure made up of two or more sets of plies wherein the reinforcing cords in one set lie in a different angular position relative to those in other sets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10819—Characterized by the structure of the bead portion of the tire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10855—Characterized by the carcass, carcass material, or physical arrangement of the carcass materials
    • Y10T152/10864—Sidewall stiffening or reinforcing means other than main carcass plies or foldups thereof about beads

Definitions

  • the present invention relates to a pneumatic radial tire having improved high-speed durability by providing a cord reinforcing layer in a buttress portion.
  • the binding force of the belt layer is inferior at its outer end. Lifting is likely to occur on the shoulder of the camera. As a result, durability tends to decrease, for example, delamination damage is induced from the outer end of the belt layer.
  • a band layer formed by spirally winding a band cord of nylon or the like in the circumferential direction is provided on the outside of the belt layer. It has been made to supplement the binding force.
  • the tire reinforced with this band layer has excellent high-speed performance in the so-called step-speed high-speed endurance test (for example, a standard test such as ECE30) in which the speed is increased by 10 km / h every 20 minutes. It has been recognized to exhibit durability performance.
  • the tire has not obtained an effect that can sufficiently satisfy the durability in continuous high-speed running closer to actual use, for example, running at a high speed for a long time. It has been found. This is because in a long-time high-speed running, the influence of the buttress portion on the tire axial outside is greater than that of the belt layer, and the buttress portion gradually rises due to the long-time high-speed running, and a portion of the shoulder lifts. It is presumed to induce ting.
  • the present invention provides a buttress portion in which a radially outer end is sandwiched between a carcass and a belt layer, and a radially inner end is a ply body portion and a ply turn-up portion of a carcass.
  • a cord reinforcement layer sandwiched between the buttress Based on the provision of a cord reinforcement layer sandwiched between the buttress, the movement of the buttress part can be effectively restrained, the lifting of the shoulder part is suppressed, and in addition to the high-speed durability of the step speed method,
  • the aim is to provide pneumatic radial tires that can also improve durability in continuous high-speed running closer to use. Disclosure of the invention
  • the present invention provides a ply body portion extending from a tread portion to a sidewall portion to a bead core of a bead portion, and a ply fold portion that is folded around the bead core from inside to outside in the tire axial direction.
  • a pneumatic radial tire comprising: a carcass comprising at least one car ply provided in the carcass; and a belt layer comprising two belt plies disposed inside a tread portion and radially outside the carcass.
  • a radially outer end of the ply turn-up portion of the carcass is interrupted radially outward from a tire maximum width point
  • a cord reinforcing layer which extends along the outer surface of the carcass and has reinforcing cords of organic fibers arranged at an angle of 30 to 60 degrees with respect to the tire circumferential direction.
  • the cord reinforcing layer has a radially outer end sandwiched between the carcass and the belt layer, and a radially inner end sandwiched between the ply body and the ply turn-up portion of the carcass. It is characterized by that.
  • the width of the overlapping portion where the outer end in the radial direction overlaps with the belt layer is set to 20 to 4 Omm, and the inner end in the radial direction is the ply folded portion. It is preferred that the width of the lower overlapping portion be 10 to 20 mm.
  • the outer end in the tire axial direction is preferably covered with a band layer in which band cords are arranged at an angle of 5 degrees or less with respect to the circumferential direction.
  • the carcass is formed of a radially inner carcass ply and an outer carcass ply, and the outer end of the ply folded portion of the outer carcass ply is located radially inward of the inner end of the cord reinforcing layer. By cutting off, between the inner end It is preferable to form a separation portion at the bottom.
  • FIG. 1 is a sectional view of a tire according to an embodiment of the present invention
  • Figure 2 is an enlarged cross-sectional view of the main part
  • FIG. 3 is a sectional view showing another example of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a cross-sectional view illustrating a case where the pneumatic radial tire of the present invention is a 4WD tire for both off-road use.
  • a pneumatic radial tire 1 has a carcass 6 extending from a tread portion 2 to a bead core 5 of a bead portion 4 via a side wall portion 3 and a radius of the force cascade 6 inside the tredged portion 2. And a belt layer 7 arranged on the outside in the direction.
  • the carcass 6 is composed of one or more, in this example, two carcass plies 6A and 6B having a radial structure in which carcass cords are arranged at an angle of, for example, 75 ° to 90 ° with respect to the tire circumferential direction.
  • Organic fiber cords such as nylon, polyester, rayon, and aromatic polyamide are suitably used as the power cord.
  • Each of the carcass plies 6 A and 6 B is a ply turn-up portion which is locked at both ends of the ply main body portion 10 bridging between the bead cores 5 and 5 by turning around the bead core 5 from inside to outside.
  • a bead avex rubber 8 for reinforcing beads extending radially outward from the bead core is disposed between the ply main body 10 and the ply turnback 11.
  • the carcass plies 6A and 6B at least 1 'carcass plies, in this example, the carcass plies 6A on the inner side in the radial direction, the ply turnover portion 11A exceeds the bead epoxy rubber 8 described above. The end is wound up radially outward from the tire maximum width point M.
  • the carcass ply 6B on the outer side in the radial direction also has its ply turn-up portion 11B positioned radially outward from the tire maximum width point M.
  • the outer end portion Be of the ply folded portion 11B (hereinafter, sometimes referred to as a folded end portion Be) is connected to the outer end portion Ae of the ply folded portion 11A (hereinafter, a folded end portion).
  • Ae (which may be referred to as “Ae”), which terminates on the radially inner side, whereby the folded end portion Be is covered and protected by the ply folded portion 11A, and the cord end looseness is suppressed.
  • the “tire maximum width point M” is a point where the contour 3 S of the sidewall portion 3 protrudes most outward in the tire axial direction in the tire meridional section, and this contour 3 S It does not include partial irregularities such as decorative decorations, mark display ribs, and protective protectors.
  • the belt layer 7 is composed of two belt plies 7A and 7B in which belt cords are arranged at an angle of, for example, 10 to 30 ° with respect to the tire circumferential direction.
  • Each belt ply 7A, 7B is superimposed with a different inclination so that the belt cords cross each other between the plies, thereby increasing the belt rigidity and allowing the substantially entire width of the tread portion 2 to be slid. It has an effect and is strongly reinforced.
  • a steel cord can be preferably used, but a high modulus organic fiber cord such as polyethylene naphthalate (PEN), polyethylene terephthalate (PET), or aromatic polyamide is also used as necessary. sell.
  • PEN polyethylene naphthalate
  • PET polyethylene terephthalate
  • aromatic polyamide aromatic polyamide
  • a decrease in binding force at an outer end portion 7 E of the belt layer 7 (hereinafter, sometimes referred to as a belt end portion 7 E) is compensated to increase high-speed durability.
  • a band layer 9 composed of a band ply 9A in which band cords of organic fibers such as nylon are arranged at an angle of 5 degrees or less with respect to the circumferential direction is provided.
  • the band ply 9A a pair of left and right edge band plies covering only the belt end portion 7E or a full band ply covering substantially the entire width of the belt layer 7 can be used. 9 is formed.
  • the band layer 9 is made of an edge band ply is illustrated.
  • a cord reinforcing layer 12 extending along the outer surface of the carcass 6 is provided on the buttress portion Bs of the tire 1.
  • This cord reinforcing layer 1 2 It consists of reinforcing plies 12A arranged at an angle of up to 60 degrees, preferably at an angle of 40 to 50 degrees, and overlaps the outer surface of the ply body 10 of the carcass 6 and extends inward and outward in the radial direction. There.
  • the cord reinforcing layer 12 has a radially outer end 12 U which is sandwiched between the ply body 10 and the belt layer 7 and terminates.
  • a direction inner end portion 12L is sandwiched between the ply main body portion 10 and the ply turnover portion 11 and ends.
  • the cord reinforcing layer 12 As described above, by forming the cord reinforcing layer 12 by sandwiching both the outer end 12 U and the inner end 12 L, the carcass 6, the belt layer 7, and the cord reinforcing layer 12 become organic.
  • the buttress portion Bs can be effectively reinforced.
  • the reinforcing cord crosses the carcass cord at an angle of at least 15 degrees or more, the rigidity of the buttress portion Bs is increased, and the movement thereof is restrained. Is suppressed.
  • the belt cord, the reinforcing cord, and the carcass cord form a strong truss structure in which the three members intersect with each other.
  • the evening glow effect at the belt end 7E increases. Therefore, in combination with the effect of suppressing the rise in the buttress portion Bs described above, the lifting of part of the shoulder is effectively suppressed, and in addition to the high-speed durability in the step speed method, continuous running close to actual use , The high-speed durability can be greatly improved.
  • a stronger truss such as a band cord, a belt cord, a reinforcing cord, and a carcass cord intersect each other in the above-mentioned overlapping portion JU. This is a preferred embodiment because the structure can be formed and the high-speed durability is improved.
  • the width WU of the above-mentioned overlapping portion JU along the cord reinforcing layer 12 is 20 to 4 O mm. If the width WU is less than 20 mm, the effect of improving high-speed durability cannot be sufficiently ensured, and in some cases, a cord end loose starting from the edge of the outer end 12 U may be induced. On the contrary, there is also a risk that the high-speed durability is reduced.
  • the width WU is 40 C
  • the inner end 12 L of the cord reinforcing layer 12 forms an overlapping portion JL with the folded end Ae, thereby restricting the movement of the inner end 12 L, and The inner end 12 L is covered and protected, and the effect of improving the high-speed durability is achieved.
  • the width WL of the overlapping portion JL along the cord reinforcing layer 12 is 10 to 20 mm.
  • the width WL is less than 1 O mm, the reinforcing effect of the cord reinforcing layer 12 on the buttress portion Bs becomes insufficient, and the cord end looses at the inner edge 12 L. Become. If the width WL exceeds 2 O mm, the end portion approaches the outer end of the bead axe rubber 8, which causes a problem that the distortion becomes large to be a starting point of the cord loose and that the riding comfort is deteriorated.
  • the outer force Bekae ply 6B has the folded end Be that is more radially inward than the inner end 12L. It is preferable to form a separated portion K between the inner end portion 12L. This is to minimize the rigidity step due to overlap and avoid damage due to stress concentration. In addition, it is preferable that the distance WK be at least 5 mm, so that the stress at each edge of the inner end portion 12L and the folded end portion Be is more dispersed. At the least, suppress the cord end looseness. .
  • a low-modulus organic fiber cord such as nylon, polyester, or rayon may be used.
  • PEN polyethylene naphthalate
  • PET polyethylene terephthalate
  • aromatic polyester is used as the reinforcing effect.
  • High modulus organic fiber cords such as mid can be more preferably employed.
  • the cord reinforcing layer 12 may be used for improving the durability at high speeds.
  • the cut resistance at the tress portion Bs can be enhanced, and it can also function as a protective layer for protecting the cursor 6 from crack damage due to contact with rocks or the like.
  • a protective protect rib 13 extending in the circumferential direction on the buttress portion Bs so as to protrude from the contour line 3S. It is better to cover the edge of the folded edge A e to protect it from crack damage.
  • FIG. 3 illustrates a case where the carcass 6 is formed only from the inner carcass ply 6A.
  • 4WD tires of size 265/70 R16 are prototyped according to the specifications in Table 1, and the high-speed durability of each test tire is measured in the step speed method, continuous running at standard internal pressure, and continuous running at low internal pressure. At the same time, the impact resistance performance of the buttress was tested. Specifications other than Table 1 are the same for each tire.
  • test tire is run on the drum at 10 kmZh—20 minutes step speed under the conditions of rim (16X7 JJ), internal pressure (200 kPa) and load (8.79 kN). The speed and time when the tire broke were measured.
  • Step speed method 210km / h (19 minutes) 220km / h (19 minutes) 200km / h (0 minutes) 210km / h (5 minutes) 200km / h (ll minutes)
  • the example of the present invention can significantly improve the high-speed durability, especially in continuous running at standard internal pressure and low internal pressure, compared with the comparative example. It can be confirmed that there is.
  • the pneumatic radial tire according to the present invention has a buttress portion in which a radially outer end is sandwiched between a carcass and a belt layer, and a radially inner end is formed of a carcass ply body.
  • a cord reinforcement layer sandwiched between the ply turn-back part is provided. Therefore, the movement of the buttress portion can be effectively restrained, the lifting of the shoulder portion can be suppressed, and in addition to the high-speed durability in the step speed method, the durability in continuous high-speed running near to near can be improved by practical use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne un pneu radial (1) comprenant une carcasse (6) et une couche de nappe d'armature (7), dans laquelle une couche de renforcement de toile à pneu (12) dont la toile de renforcement en fibres organiques placée à un angle compris entre 30 et 60° par rapport au sens circonférentiel du pneu, est disposée au niveau de la partie sans bout (Bs) du pneu. La partie repliée (11) de la carcasse (6) se termine sur la face extérieure radiale du point de largeur maximale (M) du pneu, la couche de renforcement (12) est maintenue au niveau de la partie terminale extérieure radiale (12U), entre la carcasse (6) et la couche de nappe d'armature (7) et, au niveau de la partie terminale intérieure radiale (12L), entre la partie de corps repliée (10) et la partie repliée vers le haut (11) de la carcasse (6).
PCT/JP2002/013109 2001-12-27 2002-12-13 Pneu radial WO2003055699A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/495,193 US7231950B2 (en) 2001-12-27 2002-12-13 Pneumatic radial tire
EP02790765A EP1459910B1 (fr) 2001-12-27 2002-12-13 Pneu radial
DE60223285T DE60223285T2 (de) 2001-12-27 2002-12-13 Radialluftreifen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-397532 2001-12-27
JP2001397532A JP4031243B2 (ja) 2001-12-27 2001-12-27 空気入りラジアルタイヤ

Publications (1)

Publication Number Publication Date
WO2003055699A1 true WO2003055699A1 (fr) 2003-07-10

Family

ID=19189209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/013109 WO2003055699A1 (fr) 2001-12-27 2002-12-13 Pneu radial

Country Status (6)

Country Link
US (1) US7231950B2 (fr)
EP (1) EP1459910B1 (fr)
JP (1) JP4031243B2 (fr)
CN (1) CN1298554C (fr)
DE (1) DE60223285T2 (fr)
WO (1) WO2003055699A1 (fr)

Cited By (1)

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JP2008542129A (ja) * 2005-06-06 2008-11-27 ミシュラン ルシェルシュ エ テクニーク ソシエテ アノニム サイドウォール補強材を有するタイヤ

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JP4540991B2 (ja) * 2004-01-13 2010-09-08 住友ゴム工業株式会社 空気入りタイヤ
JP2005297871A (ja) * 2004-04-14 2005-10-27 Toyo Tire & Rubber Co Ltd 空気入りラジアルタイヤ
JP4369836B2 (ja) * 2004-09-15 2009-11-25 株式会社ブリヂストン 劣化促進試験方法
JP4625319B2 (ja) * 2004-12-08 2011-02-02 住友ゴム工業株式会社 空気入りタイヤ及びその製造方法
JP4826110B2 (ja) * 2005-03-16 2011-11-30 横浜ゴム株式会社 空気入りラジアルタイヤ
FR2887814A1 (fr) * 2005-06-30 2007-01-05 Michelin Soc Tech Pneumatique pour vehicules lourds
FR2887813A1 (fr) 2005-06-30 2007-01-05 Michelin Soc Tech Pneumatique pour vehicules lourds
FR2887815A1 (fr) 2005-06-30 2007-01-05 Michelin Soc Tech Pneumatique pour vehicules lourds
FR2887818A1 (fr) 2005-06-30 2007-01-05 Michelin Soc Tech Pneumatique pour vehicules lourds
FR2887817A1 (fr) * 2005-06-30 2007-01-05 Michelin Soc Tech Pneumatique pour vehicules lourds
FR2887810A1 (fr) 2005-06-30 2007-01-05 Michelin Soc Tech Pneumatique pour vehicules lourds
US8365787B2 (en) * 2006-01-20 2013-02-05 The Yokohama Rubber Co., Ltd. Pneumatic tire with cord layer part close to tire outer surface
JP5140951B2 (ja) * 2006-06-30 2013-02-13 横浜ゴム株式会社 空気入りタイヤ
JP5144305B2 (ja) * 2008-02-22 2013-02-13 株式会社ブリヂストン バイアスタイヤ
FR2992586B1 (fr) * 2012-06-28 2015-10-30 Michelin & Cie Armature de carcasse de pneumatique pour vehicule agricole
JP6059490B2 (ja) * 2012-09-28 2017-01-11 東洋ゴム工業株式会社 空気入りタイヤ
FR3002490B1 (fr) * 2013-02-25 2015-03-27 Michelin & Cie Pneumatique auto-obturant comportant une armature de flanc supplementaire
CN103213461B (zh) * 2013-04-03 2016-08-17 大连轮胎厂有限公司 加强型载重全钢丝子午线轮胎
CN104476984A (zh) * 2014-11-21 2015-04-01 双星东风轮胎有限公司 一种浮力排泥轮胎
JP6902824B2 (ja) * 2015-12-14 2021-07-14 Ｔｏｙｏ Ｔｉｒｅ株式会社 空気入りタイヤ
JP6946641B2 (ja) * 2016-12-12 2021-10-06 住友ゴム工業株式会社 空気入りタイヤ
JP6928494B2 (ja) * 2017-06-19 2021-09-01 株式会社ブリヂストン 空気入りタイヤ
JP7139225B2 (ja) * 2018-11-14 2022-09-20 株式会社ブリヂストン タイヤ
JP7132098B2 (ja) * 2018-11-14 2022-09-06 株式会社ブリヂストン タイヤ
JP2021095109A (ja) * 2019-12-19 2021-06-24 住友ゴム工業株式会社 空気入りタイヤ
JP7443764B2 (ja) * 2019-12-25 2024-03-06 住友ゴム工業株式会社 空気入りタイヤ

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EP1459910A4 (fr) 2006-03-15
CN1599674A (zh) 2005-03-23
US20050016653A1 (en) 2005-01-27
DE60223285T2 (de) 2008-08-14
EP1459910B1 (fr) 2007-10-31
EP1459910A1 (fr) 2004-09-22
CN1298554C (zh) 2007-02-07
JP2003191720A (ja) 2003-07-09
JP4031243B2 (ja) 2008-01-09
US7231950B2 (en) 2007-06-19

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